1// -*- C++ -*-
2
3// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the terms
7// of the GNU General Public License as published by the Free Software
8// Foundation; either version 2, or (at your option) any later
9// version.
10
11// This library is distributed in the hope that it will be useful, but
12// WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14// General Public License for more details.
15
16// You should have received a copy of the GNU General Public License
17// along with this library; see the file COPYING.  If not, write to
18// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19// MA 02111-1307, USA.
20
21// As a special exception, you may use this file as part of a free
22// software library without restriction.  Specifically, if other files
23// instantiate templates or use macros or inline functions from this
24// file, or you compile this file and link it with other files to
25// produce an executable, this file does not by itself cause the
26// resulting executable to be covered by the GNU General Public
27// License.  This exception does not however invalidate any other
28// reasons why the executable file might be covered by the GNU General
29// Public License.
30
31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
32
33// Permission to use, copy, modify, sell, and distribute this software
34// is hereby granted without fee, provided that the above copyright
35// notice appears in all copies, and that both that copyright notice
36// and this permission notice appear in supporting documentation. None
37// of the above authors, nor IBM Haifa Research Laboratories, make any
38// representation about the suitability of this software for any
39// purpose. It is provided "as is" without express or implied
40// warranty.
41
42/**
43 * @file cond_key_dtor_entry_dealtor.hpp
44 * Contains a binary tree container conditional deallocator
45 */
46
47class bin_seach_tree_cond_key_dtor_entry_dealtor_
48{
49public:
50  inline
51  bin_seach_tree_cond_key_dtor_entry_dealtor_(node_pointer p_nd) : m_p_nd(p_nd),
52								   m_no_action_dtor(false),
53								   m_key_destruct(false)
54  { }
55
56  inline void
57  set_no_action_dtor()
58  {
59    m_no_action_dtor = true;
60  }
61
62  inline void
63  set_key_destruct()
64  {
65    m_key_destruct = true;
66  }
67
68  inline
69  ~bin_seach_tree_cond_key_dtor_entry_dealtor_()
70  {
71    if (m_no_action_dtor)
72      return;
73
74    if (m_key_destruct)
75      m_p_nd->m_value.first.~Key();
76
77    bin_tree_base::s_alloc.deallocate(m_p_nd, 1);
78  }
79
80protected:
81  node_pointer m_p_nd;
82
83  bool m_no_action_dtor;
84
85  bool m_key_destruct;
86};
87
88